Distillative method for separating narrow boiling or azeotropic mixtures using ionic liquids

A process for separating azeotropic or close-boiling mixtures by means of an extractive rectification in which an ionic liquid is used as entrainer, wherein a high boiling bottom product is taken off from the column in vapor form via a side offtake.

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Bibliographic Details
Main Author BESTE YORK ALEXANDER,SCHOENMAKERS HARTMUT
Format Patent
LanguageEnglish
Published 13.09.2006
Subjects
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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Summary:A process for separating azeotropic or close-boiling mixtures by means of an extractive rectification in which an ionic liquid is used as entrainer, wherein a high boiling bottom product is taken off from the column in vapor form via a side offtake.
Bibliography:Application Number: CN200480022303